Part of Drštka, Hláska has 10 routes documented on climbing.place. Routes range from grade 1 to 7-. Routes are listed below with grade, style, and community notes.
Common styles: Route in shadow, Rock Climbing, Friends, Laid wall, Fixed belay.
Rules
Nature protection: Climbing prohibited Decision 2017, nature protection body CHKO Brdy
The rocks are inside the Protected Landscape Area, climbing is prohibited. Decision 2017, nature protection authority PLA BrdyClimbing prohibited – the rocks lie in the Brdy Protected Landscape Area, where Mrtnická skála is the only permitted climbing terrain (AOPK ČR, Brdy PLA Administration; 2017 decision).
The ČHS rules for Czech rock areas and the local regional commission's rules apply: do not alter the rock or holds, do not climb on wet rock, and follow ČHS principles for first ascents.
3-
Zimní cesta
Under the overhang, right to the edge and to the summit. Rock Climbing Friends Route in shadow +2
3+
V říši zeleného démova
Through the left part of the north face. Rock Climbing Friends Route in shadow +1
2
Zahradnická
Through the right part of the north face, above the wall. Rock Climbing Friends Route in shadow +1
7-
Srp a kladivo
Directly under the overhang and up the overhanging corner to the summit (2 pitons) Rock Climbing Friends Fixed belay +2
4+
Držková
Along the edge to the piton, up the wall above it to the summit. Rock Climbing Friends Route in shadow +1
4
Dobrohostova
From the SE edge diagonally left to the edge, over it and from the left to the summit. Rock Climbing Friends Route in shadow +1